
Ooh! I do love a RIDDLE.
Oh, let me see.
The Big Bang Theory Season 11, Episode 11

Good RIDDLE, huh?
Yeah.
The Big Bang Theory Season 7, Episode 3
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"Riddle me this..."
Got it.
The Big Bang Theory Season 7, Episode 3

Your next puzzle is a RIDDLE.
The Big Bang Theory Season 7, Episode 3

ls this a RIDDLE?
Game of Thrones Season 2, Episode 10